Does Naser Makarem Shirazi rule all Non Muslims as pure?

And if he does then, is it permissible for any of his muqallids to eat their food?

by

He states they are najis based on precaution

https://ar.lib.eshia.ir/27537/1/25

You can eat the food that has no meat or chicken (as long as you know it is not halal and you don’t know that any wetness transferred from their skin to the food